Tex. Transp. Code § 523.011
This compact shall be liberally construed so as to effectuate the purposes thereof. The provisions of this compact shall be severable; if any phrase, clause, sentence, or provision of this compact is declared to be contrary to the constitution of any state or of the United States or the applicability thereof to any government, agency, person, or circumstance is held invalid, the validity of the remainder of this compact and the applicability thereof to any government, agency, person, or circumstance shall not be affected thereby. If this compact is held contrary to the constitution of any state party thereto, the compact shall remain in full force and effect in the remaining states and in full force and effect in the state affected with regard to all severable matters.
Tex. Transp. Code § 523.011